SMTL ID : 2nsi.1 (1 other biounit)

HUMAN INDUCIBLE NITRIC OXIDE SYNTHASE, ZN-FREE, SEITU COMPLEX

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.00 Å

Oligo State

homo-dimer

Ligands

5 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 4 residues within 4Å: Chain A: R.205, G.227, R.228, F.229 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:R.205, A:R.228, A:F.229 Salt bridges: A:R.228 SO4.2: 4 residues within 4Å: Chain A: K.262, Y.263, E.264, W.265 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.264, A:W.265 SO4.3: 2 residues within 4Å: Chain A: N.163, N.166 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.163, A:N.166 SO4.7: 4 residues within 4Å: Chain B: R.205, G.227, R.228, F.229 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:R.205, B:R.228, B:F.229 Salt bridges: B:R.228 SO4.8: 4 residues within 4Å: Chain B: K.262, Y.263, E.264, W.265 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:K.262, B:E.264, B:W.265

2 x HEM: PROTOPORPHYRIN IX CONTAINING FE(Non-covalent)

HEM.4: 19 residues within 4Å: Chain A: W.121, A.124, R.126, C.127, I.128, G.129, Q.132, S.169, F.296, N.297, G.298, W.299, M.301, E.304, W.390, Y.416, Y.418 Ligands: H4B.5, ITU.6 15 PLIP interactions: 15 interactions with chain A, Hydrophobic interactions: A:W.121, A:W.121, A:A.124, A:I.128, A:Q.132, A:F.296, A:F.296, A:F.296, A:F.296, A:W.299, A:W.299, A:E.304 Hydrogen bonds: A:Y.418 pi-Stacking: A:W.121 Metal complexes: A:C.127 HEM.9: 18 residues within 4Å: Chain B: W.121, R.126, C.127, I.128, G.129, Q.132, S.169, F.296, N.297, G.298, W.299, M.301, E.304, W.390, Y.416, Y.418 Ligands: H4B.10, ITU.11 13 PLIP interactions: 13 interactions with chain B, Hydrophobic interactions: B:W.121, B:W.121, B:I.128, B:Q.132, B:F.296, B:F.296, B:F.296, B:F.296, B:W.299, B:W.299, B:E.304 pi-Stacking: B:W.121 Metal complexes: B:C.127

2 x H4B: 5,6,7,8-TETRAHYDROBIOPTERIN(Non-covalent)

H4B.5: 11 residues within 4Å: Chain A: S.45, M.47, R.308, I.389, W.390 Chain B: W.388, F.403, H.404, Q.405, E.406 Ligands: HEM.4 9 PLIP interactions: 8 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.308, A:R.308, A:I.389, A:W.390 pi-Stacking: A:W.390, A:W.390 pi-Cation interactions: A:W.390, A:W.390 Hydrophobic interactions: B:E.406 H4B.10: 11 residues within 4Å: Chain A: W.388, F.403, H.404, Q.405, E.406 Chain B: S.45, M.47, R.308, I.389, W.390 Ligands: HEM.9 9 PLIP interactions: 8 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.308, B:R.308, B:I.389, B:W.390 pi-Stacking: B:W.390, B:W.390 pi-Cation interactions: B:W.390, B:W.390 Hydrophobic interactions: A:E.406

2 x ITU: ETHYLISOTHIOUREA(Non-covalent)

ITU.6: 8 residues within 4Å: Chain A: P.277, V.279, F.296, G.298, W.299, Y.300, E.304 Ligands: HEM.4 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:V.279, A:F.296 Hydrogen bonds: A:W.299 ITU.11: 8 residues within 4Å: Chain B: P.277, V.279, F.296, G.298, W.299, Y.300, E.304 Ligands: HEM.9 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:V.279, B:F.296 Hydrogen bonds: B:W.299

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, H. et al., Crystal structures of zinc-free and -bound heme domain of human inducible nitric-oxide synthase. Implications for dimer stability and comparison with endothelial nitric-oxide synthase. J.Biol.Chem. (1999)

Release Date

2000-01-07

Peptides

PROTEIN (NITRIC OXIDE SYNTHASE): AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

PROTEIN (NITRIC OXIDE SYNTHASE)

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